Choziosi

aliases

Last seen:Mar 17, 2026

Intelligence Profile

A loader delivering malicious Chrome and Safari extensions.

Threat Analysis

Choziosi is a known-sophistication threat actor of undetermined national origin, engaged in cyber operations with a primary motivation of unknown activity patterns.

External References

→https://blogs.blackberry.com/en/2022/11/chromeloader-infects-the-browser-by-loading-malicious-extension

→https://blogs.vmware.com/security/2022/09/the-evolution-of-the-chromeloader-malware.html

→https://cybergeeks.tech/chromeloader-browser-hijacker

→https://github.com/xephora/Threat-Remediation-Scripts/tree/main/Threat-Track/CS_INSTALLER

→https://redcanary.com/blog/chromeloader/

Quick Facts

TypeAPT / Threat Group

Aliases5

Also Known As

ChoziosiChromeLoaderwin.choziosiosx.choziosiChropex

External Intelligence

Malpedia: win.choziosi

Research Links

MITRE ATT&CK VirusTotal Google (news) Twitter/X search

Data sourced from Malpedia, Ransomware.live, RansomLook, and CTIWATCH OSINT collection. Actor attribution is based on available intelligence and may be incomplete.

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